US PATENT SUBCLASS 55 / 449
.~.~.~ Gas inlet and outlet have common wall


Current as of: June, 1999
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55 /   HD   GAS SEPARATION

434  DF  DEFLECTOR {10}
447  DF  .~ Fixed gas whirler or rotator means {9}
448  DF  .~.~ With outlet gas conduit wall common to surrounding gas inlet or concentrate outlet or collector {2}
449.~.~.~ Gas inlet and outlet have common wall


DEFINITION

Classification: 55/449

(under subclass 448) Apparatus wherein the gas outlet wall comprises the inner wall of the surrounding gas inlet.